THHN 350 Str Cu SIM Pk

Southwire #: 58606299

600 Volts. Copper Conductor. Thermoplastic Insulation/Nylon Sheath, Heat, Moisture, Gasoline and Oil Resistant II. Rated THHN and THWN-2. Also rated MTW. SIMpull® Technology for Easier Pulling.

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Application

Southwire® SIMpull THHN® copper conductors are primarily used in conduit and cable trays for services, feeders and branch circuits in commercial or industrial applications as specified in the National Electrical Code. Voltage for all applications is 600 volts. SIMpull THHN® copper conductors are designed to be installed without application of a pulling lubricant.

  • THWN-2- Wet or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil

Specifications

measurement
imperial metric
Stock # 58606299 58606299
Size (AWG or kcmil) 350 KCMIL 350 KCMIL
No. of Conductors 1 1
No. of Strands 37 37
Nom. OD (mils) (mm) 783 19.89 mils mm
Insulation Thickness (mils) (mm) 60 1.52 mils mm
Jacket Thickness (mils) (mm) 9 0.23 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 1165 1733 lbs/1000' kgs/km
Allowable Ampacity at 60C 260 260
Allowable Ampacity at 75C 310 310
Allowable Ampacity at 90C 350 350

Standards & References

Southwire® SIMpull THHN® copper conductors comply with the following:

  • ASTM - B3
  • UL Standards 83 and 758
  • CSA C22.2 No. 75
  • NOM-ANCE 90° C
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70
  • CT Rated
  • VW-1
  • FT1
  • Sunlight Resistant
  • MTW
  • RoHS/REACH Compliant

Construction

Southwire® SIMpull THHN® copper conductors are made with soft drawn copper. Compressed copper stranding. The wire is covered with a tough heat and moisture resistant PVC insulation with an overall nylon jacket utilizing SIMpull® Technology. Marked as THWN-2. Marked sunlight resistant.